1083905 has 4 divisors (see below), whose sum is σ = 1300692. Its totient is φ = 867120.

The previous prime is 1083899. The next prime is 1083911. The reversal of 1083905 is 5093801.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1083899) and next prime (1083911).

It can be written as a sum of positive squares in 2 ways, for example, as 495616 + 588289 = 704^2 + 767^2 .

It is not a de Polignac number, because 1083905 - 2¹⁰ = 1082881 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108386 + ... + 108395.

It is an arithmetic number, because the mean of its divisors is an integer number (325173).

2^1083905 is an apocalyptic number.

It is an amenable number.

1083905 is a deficient number, since it is larger than the sum of its proper divisors (216787).

1083905 is an equidigital number, since it uses as much as digits as its factorization.

1083905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216786.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1083905 is about 1041.1075832977. The cubic root of 1083905 is about 102.7220646565.

The spelling of 1083905 in words is "one million, eighty-three thousand, nine hundred five".